Finding the Third Proportional to 292,224 and 628,146.75

Step by Step Solution

1. Step 1: Write the proportion equation
   292,224 : 628,146.75 = 628,146.75 : x
2. Step 2: Convert to fraction form
   292,224/628,146.75 = 628,146.75/x
3. Step 3: Cross multiply
   292,224x = 628,146.75 × 628,146.75
4. Step 4: Simplify right side
   292,224x = 394,568,339,535.56
5. Step 5: Solve for x
   x = 394,568,339,535.56/292,224
6. Step 6: Final answer
   x = 1,350,225.65